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BCs in kinetic SOL-KiT thesis example #72

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Merged
sleigh2022 merged 4 commits into from
Aug 11, 2026
Merged

BCs in kinetic SOL-KiT thesis example #72

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2419d4c
set ion speed to cs in BCs
vera-br May 7, 2026
a339c41
changed ui to cs in fluid solkit
vera-br Aug 11, 2026
57a9bdf
Remove unrelated changes from PR
vera-br Aug 11, 2026
b29f69a
Remove unrelated changes from PR
vera-br Aug 11, 2026
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6 changes: 3 additions & 3 deletions examples/solkit_mijin_thesis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -173,7 +173,7 @@ def generatorSKThesis(**kwargs) -> rmk.RMKContext:
n_b = BoundedExtrapolationDerivation("n_b")(ne)
n_b.scalarHostProcess = rk.mpiContext.fluidProcs[-1]

extrap_LB_ui = DerivationClosure(BoundedExtrapolationDerivation("extrap_LB_ui",lowerBound=cs_b),ui)
extrap_LB_ui = DerivationClosure(BoundedExtrapolationDerivation("extrap_LB_ui",lowerBound=cs_b),cs)
extrap_n = DerivationClosure(BoundedExtrapolationDerivation("extrap_n"),ni)

boundaryFluxDeriv = extrap_LB_ui*extrap_n
Expand Down Expand Up @@ -245,7 +245,7 @@ def generatorSKThesis(**kwargs) -> rmk.RMKContext:
rk.models.add(cm.standardBaseFluid(electronSpecies,ne,Ge,ue,Te,E,We,qe))
rk.models.add(cm.standardBaseFluid(ionSpecies,ni,Gi,ui,Te,E))
rk.models.add(cm.bohmBoundaryModel(electronSpecies,ne,Ge,ue,Te,cs,We,gamma))
rk.models.add(cm.bohmBoundaryModel(ionSpecies,ni,Gi,ui,Te,cs))
rk.models.add(cm.bohmBoundaryModel(ionSpecies,ni,Gi,cs,Te,cs))

rk.models.add(cm.ampereMaxwell(E_dual,[Ge_dual,Gi_dual],[electronSpecies,ionSpecies],rk.norms))

Expand Down Expand Up @@ -377,7 +377,7 @@ def generatorSKThesis(**kwargs) -> rmk.RMKContext:
for i,neut in enumerate(nn):
neutDynModel.ddt[neut] += normConstDiff/sigmaCx[i] * stencils.DiffusionStencil(diffusionDeriv,diffCoeffOnDualGrid=True)(neut).rename("neutralDiff"+str(i+1))

neutDynModel.ddt[nn[0]] += stencils.BCDivStencil(ui,cs)(ni).rename("recyclingTerms")
neutDynModel.ddt[nn[0]] += stencils.BCDivStencil(cs,cs)(ni).rename("recyclingTerms")

rk.models.add(neutDynModel)
# ### CRM density and energy evolution
Expand Down
6 changes: 3 additions & 3 deletions examples/solkit_mijin_thesis_kin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -168,7 +168,7 @@ def generatorSKThesisKin(**kwargs) -> rmk.RMKContext:
n_b = BoundedExtrapolationDerivation("n_b")(ni)
n_b.scalarHostProcess = rk.mpiContext.fluidProcs[-1]

extrap_LB_ui = DerivationClosure(BoundedExtrapolationDerivation("extrap_LB_ui",lowerBound=cs_b),ui)
extrap_LB_ui = DerivationClosure(BoundedExtrapolationDerivation("extrap_LB_ui",lowerBound=cs_b),cs)
extrap_n = DerivationClosure(BoundedExtrapolationDerivation("extrap_n"),ni)

boundaryFluxDeriv = extrap_LB_ui*extrap_n
Expand Down Expand Up @@ -276,7 +276,7 @@ def generatorSKThesisKin(**kwargs) -> rmk.RMKContext:
rk.models.add(heatingModel)

rk.models.add(cm.standardBaseFluid(ionSpecies,ni,Gi,ui,Te,E))
rk.models.add(cm.bohmBoundaryModel(ionSpecies,ni,Gi,ui,Te,cs))
rk.models.add(cm.bohmBoundaryModel(ionSpecies,ni,Gi,cs,Te,cs))

amModel = cm.ampereMaxwell(E_dual,[Gi_dual],[ionSpecies],rk.norms).rename("ampereMaxwell")
amModel.ddt[E_dual] += cm.ampereMaxwellKineticElTerm(f,rk.norms).rename("kinElTerm")
Expand Down Expand Up @@ -337,7 +337,7 @@ def generatorSKThesisKin(**kwargs) -> rmk.RMKContext:
for i,neut in enumerate(nn):
neutDynModel.ddt[neut] += normConstDiff/sigmaCx[i] * stencils.DiffusionStencil(diffusionDeriv,diffCoeffOnDualGrid=True)(neut).rename("neutralDiff"+str(i+1))

neutDynModel.ddt[nn[0]] += stencils.BCDivStencil(ui,cs)(ni).rename("recyclingTerms")
neutDynModel.ddt[nn[0]] += stencils.BCDivStencil(cs,cs)(ni).rename("recyclingTerms")

rk.models.add(neutDynModel)

Expand Down
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